diff --git a/weed/operation/assign_file_id.go b/weed/operation/assign_file_id.go
index cc8e87b21..13418da1a 100644
--- a/weed/operation/assign_file_id.go
+++ b/weed/operation/assign_file_id.go
@@ -264,7 +264,6 @@ func (so *StorageOption) ToAssignRequests(count int) (ar *VolumeAssignRequest, a
 		WritableVolumeCount: so.VolumeGrowthCount,
 	}
 	if so.DataCenter != "" || so.Rack != "" || so.DataNode != "" {
-		ar.WritableVolumeCount = uint32(count)
 		altRequest = &VolumeAssignRequest{
 			Count:               uint64(count),
 			Replication:         so.Replication,
diff --git a/weed/pb/master.proto b/weed/pb/master.proto
index 05d26af0c..f2824b693 100644
--- a/weed/pb/master.proto
+++ b/weed/pb/master.proto
@@ -51,6 +51,8 @@ service Seaweed {
   }
   rpc RaftRemoveServer (RaftRemoveServerRequest) returns (RaftRemoveServerResponse) {
   }
+  rpc VolumeGrow (VolumeGrowRequest) returns (VolumeGrowResponse) {
+  }
 }
 
 //////////////////////////////////////////////////
@@ -210,6 +212,19 @@ message AssignRequest {
   uint32 writable_volume_count = 9;
   string disk_type = 10;
 }
+
+message VolumeGrowRequest {
+  uint32 writable_volume_count = 1;
+  string replication = 2;
+  string collection = 3;
+  string ttl = 4;
+  string data_center = 5;
+  string rack = 6;
+  string data_node = 7;
+  uint32 memory_map_max_size_mb = 8;
+  string disk_type = 9;
+}
+
 message AssignResponse {
   string fid = 1;
   uint64 count = 4;
@@ -419,3 +434,6 @@ message RaftListClusterServersResponse {
   }
   repeated ClusterServers cluster_servers = 1;
 }
+
+message VolumeGrowResponse {
+}
\ No newline at end of file
diff --git a/weed/pb/master_pb/master.pb.go b/weed/pb/master_pb/master.pb.go
index 6b1eedce7..e25d39fd8 100644
--- a/weed/pb/master_pb/master.pb.go
+++ b/weed/pb/master_pb/master.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.32.0
-// 	protoc        v4.25.4
+// 	protoc-gen-go v1.34.1
+// 	protoc        v5.26.1
 // source: master.proto
 
 package master_pb
@@ -548,7 +548,7 @@ type VolumeEcShardInformationMessage struct {
 	Collection  string `protobuf:"bytes,2,opt,name=collection,proto3" json:"collection,omitempty"`
 	EcIndexBits uint32 `protobuf:"varint,3,opt,name=ec_index_bits,json=ecIndexBits,proto3" json:"ec_index_bits,omitempty"`
 	DiskType    string `protobuf:"bytes,4,opt,name=disk_type,json=diskType,proto3" json:"disk_type,omitempty"`
-	DestroyTime uint64 `protobuf:"varint,5,opt,name=destroy_time,json=destroyTime,proto3" json:"destroy_time,omitempty"`
+	DestroyTime uint64 `protobuf:"varint,5,opt,name=destroy_time,json=destroyTime,proto3" json:"destroy_time,omitempty"` // used to record the destruction time of ec volume
 }
 
 func (x *VolumeEcShardInformationMessage) Reset() {
@@ -1284,7 +1284,7 @@ type AssignRequest struct {
 	Rack                string `protobuf:"bytes,6,opt,name=rack,proto3" json:"rack,omitempty"`
 	DataNode            string `protobuf:"bytes,7,opt,name=data_node,json=dataNode,proto3" json:"data_node,omitempty"`
 	MemoryMapMaxSizeMb  uint32 `protobuf:"varint,8,opt,name=memory_map_max_size_mb,json=memoryMapMaxSizeMb,proto3" json:"memory_map_max_size_mb,omitempty"`
-	WritableVolumeCount uint32 `protobuf:"varint,9,opt,name=Writable_volume_count,json=WritableVolumeCount,proto3" json:"Writable_volume_count,omitempty"`
+	WritableVolumeCount uint32 `protobuf:"varint,9,opt,name=writable_volume_count,json=writableVolumeCount,proto3" json:"writable_volume_count,omitempty"`
 	DiskType            string `protobuf:"bytes,10,opt,name=disk_type,json=diskType,proto3" json:"disk_type,omitempty"`
 }
 
@@ -1390,6 +1390,117 @@ func (x *AssignRequest) GetDiskType() string {
 	return ""
 }
 
+type VolumeGrowRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	WritableVolumeCount uint32 `protobuf:"varint,1,opt,name=writable_volume_count,json=writableVolumeCount,proto3" json:"writable_volume_count,omitempty"`
+	Replication         string `protobuf:"bytes,2,opt,name=replication,proto3" json:"replication,omitempty"`
+	Collection          string `protobuf:"bytes,3,opt,name=collection,proto3" json:"collection,omitempty"`
+	Ttl                 string `protobuf:"bytes,4,opt,name=ttl,proto3" json:"ttl,omitempty"`
+	DataCenter          string `protobuf:"bytes,5,opt,name=data_center,json=dataCenter,proto3" json:"data_center,omitempty"`
+	Rack                string `protobuf:"bytes,6,opt,name=rack,proto3" json:"rack,omitempty"`
+	DataNode            string `protobuf:"bytes,7,opt,name=data_node,json=dataNode,proto3" json:"data_node,omitempty"`
+	MemoryMapMaxSizeMb  uint32 `protobuf:"varint,8,opt,name=memory_map_max_size_mb,json=memoryMapMaxSizeMb,proto3" json:"memory_map_max_size_mb,omitempty"`
+	DiskType            string `protobuf:"bytes,9,opt,name=disk_type,json=diskType,proto3" json:"disk_type,omitempty"`
+}
+
+func (x *VolumeGrowRequest) Reset() {
+	*x = VolumeGrowRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_master_proto_msgTypes[16]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *VolumeGrowRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*VolumeGrowRequest) ProtoMessage() {}
+
+func (x *VolumeGrowRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_master_proto_msgTypes[16]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use VolumeGrowRequest.ProtoReflect.Descriptor instead.
+func (*VolumeGrowRequest) Descriptor() ([]byte, []int) {
+	return file_master_proto_rawDescGZIP(), []int{16}
+}
+
+func (x *VolumeGrowRequest) GetWritableVolumeCount() uint32 {
+	if x != nil {
+		return x.WritableVolumeCount
+	}
+	return 0
+}
+
+func (x *VolumeGrowRequest) GetReplication() string {
+	if x != nil {
+		return x.Replication
+	}
+	return ""
+}
+
+func (x *VolumeGrowRequest) GetCollection() string {
+	if x != nil {
+		return x.Collection
+	}
+	return ""
+}
+
+func (x *VolumeGrowRequest) GetTtl() string {
+	if x != nil {
+		return x.Ttl
+	}
+	return ""
+}
+
+func (x *VolumeGrowRequest) GetDataCenter() string {
+	if x != nil {
+		return x.DataCenter
+	}
+	return ""
+}
+
+func (x *VolumeGrowRequest) GetRack() string {
+	if x != nil {
+		return x.Rack
+	}
+	return ""
+}
+
+func (x *VolumeGrowRequest) GetDataNode() string {
+	if x != nil {
+		return x.DataNode
+	}
+	return ""
+}
+
+func (x *VolumeGrowRequest) GetMemoryMapMaxSizeMb() uint32 {
+	if x != nil {
+		return x.MemoryMapMaxSizeMb
+	}
+	return 0
+}
+
+func (x *VolumeGrowRequest) GetDiskType() string {
+	if x != nil {
+		return x.DiskType
+	}
+	return ""
+}
+
 type AssignResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1406,7 +1517,7 @@ type AssignResponse struct {
 func (x *AssignResponse) Reset() {
 	*x = AssignResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[16]
+		mi := &file_master_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1419,7 +1530,7 @@ func (x *AssignResponse) String() string {
 func (*AssignResponse) ProtoMessage() {}
 
 func (x *AssignResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[16]
+	mi := &file_master_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1432,7 +1543,7 @@ func (x *AssignResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AssignResponse.ProtoReflect.Descriptor instead.
 func (*AssignResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{16}
+	return file_master_proto_rawDescGZIP(), []int{17}
 }
 
 func (x *AssignResponse) GetFid() string {
@@ -1491,7 +1602,7 @@ type StatisticsRequest struct {
 func (x *StatisticsRequest) Reset() {
 	*x = StatisticsRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[17]
+		mi := &file_master_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1504,7 +1615,7 @@ func (x *StatisticsRequest) String() string {
 func (*StatisticsRequest) ProtoMessage() {}
 
 func (x *StatisticsRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[17]
+	mi := &file_master_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1517,7 +1628,7 @@ func (x *StatisticsRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use StatisticsRequest.ProtoReflect.Descriptor instead.
 func (*StatisticsRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{17}
+	return file_master_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *StatisticsRequest) GetReplication() string {
@@ -1561,7 +1672,7 @@ type StatisticsResponse struct {
 func (x *StatisticsResponse) Reset() {
 	*x = StatisticsResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[18]
+		mi := &file_master_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1574,7 +1685,7 @@ func (x *StatisticsResponse) String() string {
 func (*StatisticsResponse) ProtoMessage() {}
 
 func (x *StatisticsResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[18]
+	mi := &file_master_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1587,7 +1698,7 @@ func (x *StatisticsResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use StatisticsResponse.ProtoReflect.Descriptor instead.
 func (*StatisticsResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{18}
+	return file_master_proto_rawDescGZIP(), []int{19}
 }
 
 func (x *StatisticsResponse) GetTotalSize() uint64 {
@@ -1623,7 +1734,7 @@ type Collection struct {
 func (x *Collection) Reset() {
 	*x = Collection{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[19]
+		mi := &file_master_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1636,7 +1747,7 @@ func (x *Collection) String() string {
 func (*Collection) ProtoMessage() {}
 
 func (x *Collection) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[19]
+	mi := &file_master_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1649,7 +1760,7 @@ func (x *Collection) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Collection.ProtoReflect.Descriptor instead.
 func (*Collection) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{19}
+	return file_master_proto_rawDescGZIP(), []int{20}
 }
 
 func (x *Collection) GetName() string {
@@ -1671,7 +1782,7 @@ type CollectionListRequest struct {
 func (x *CollectionListRequest) Reset() {
 	*x = CollectionListRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[20]
+		mi := &file_master_proto_msgTypes[21]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1684,7 +1795,7 @@ func (x *CollectionListRequest) String() string {
 func (*CollectionListRequest) ProtoMessage() {}
 
 func (x *CollectionListRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[20]
+	mi := &file_master_proto_msgTypes[21]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1697,7 +1808,7 @@ func (x *CollectionListRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionListRequest.ProtoReflect.Descriptor instead.
 func (*CollectionListRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{20}
+	return file_master_proto_rawDescGZIP(), []int{21}
 }
 
 func (x *CollectionListRequest) GetIncludeNormalVolumes() bool {
@@ -1725,7 +1836,7 @@ type CollectionListResponse struct {
 func (x *CollectionListResponse) Reset() {
 	*x = CollectionListResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[21]
+		mi := &file_master_proto_msgTypes[22]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1738,7 +1849,7 @@ func (x *CollectionListResponse) String() string {
 func (*CollectionListResponse) ProtoMessage() {}
 
 func (x *CollectionListResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[21]
+	mi := &file_master_proto_msgTypes[22]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1751,7 +1862,7 @@ func (x *CollectionListResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionListResponse.ProtoReflect.Descriptor instead.
 func (*CollectionListResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{21}
+	return file_master_proto_rawDescGZIP(), []int{22}
 }
 
 func (x *CollectionListResponse) GetCollections() []*Collection {
@@ -1772,7 +1883,7 @@ type CollectionDeleteRequest struct {
 func (x *CollectionDeleteRequest) Reset() {
 	*x = CollectionDeleteRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[22]
+		mi := &file_master_proto_msgTypes[23]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1785,7 +1896,7 @@ func (x *CollectionDeleteRequest) String() string {
 func (*CollectionDeleteRequest) ProtoMessage() {}
 
 func (x *CollectionDeleteRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[22]
+	mi := &file_master_proto_msgTypes[23]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1798,7 +1909,7 @@ func (x *CollectionDeleteRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionDeleteRequest.ProtoReflect.Descriptor instead.
 func (*CollectionDeleteRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{22}
+	return file_master_proto_rawDescGZIP(), []int{23}
 }
 
 func (x *CollectionDeleteRequest) GetName() string {
@@ -1817,7 +1928,7 @@ type CollectionDeleteResponse struct {
 func (x *CollectionDeleteResponse) Reset() {
 	*x = CollectionDeleteResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[23]
+		mi := &file_master_proto_msgTypes[24]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1830,7 +1941,7 @@ func (x *CollectionDeleteResponse) String() string {
 func (*CollectionDeleteResponse) ProtoMessage() {}
 
 func (x *CollectionDeleteResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[23]
+	mi := &file_master_proto_msgTypes[24]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1843,7 +1954,7 @@ func (x *CollectionDeleteResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionDeleteResponse.ProtoReflect.Descriptor instead.
 func (*CollectionDeleteResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{23}
+	return file_master_proto_rawDescGZIP(), []int{24}
 }
 
 // volume related
@@ -1865,7 +1976,7 @@ type DiskInfo struct {
 func (x *DiskInfo) Reset() {
 	*x = DiskInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[24]
+		mi := &file_master_proto_msgTypes[25]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1878,7 +1989,7 @@ func (x *DiskInfo) String() string {
 func (*DiskInfo) ProtoMessage() {}
 
 func (x *DiskInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[24]
+	mi := &file_master_proto_msgTypes[25]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1891,7 +2002,7 @@ func (x *DiskInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DiskInfo.ProtoReflect.Descriptor instead.
 func (*DiskInfo) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{24}
+	return file_master_proto_rawDescGZIP(), []int{25}
 }
 
 func (x *DiskInfo) GetType() string {
@@ -1963,7 +2074,7 @@ type DataNodeInfo struct {
 func (x *DataNodeInfo) Reset() {
 	*x = DataNodeInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[25]
+		mi := &file_master_proto_msgTypes[26]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1976,7 +2087,7 @@ func (x *DataNodeInfo) String() string {
 func (*DataNodeInfo) ProtoMessage() {}
 
 func (x *DataNodeInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[25]
+	mi := &file_master_proto_msgTypes[26]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1989,7 +2100,7 @@ func (x *DataNodeInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DataNodeInfo.ProtoReflect.Descriptor instead.
 func (*DataNodeInfo) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{25}
+	return file_master_proto_rawDescGZIP(), []int{26}
 }
 
 func (x *DataNodeInfo) GetId() string {
@@ -2026,7 +2137,7 @@ type RackInfo struct {
 func (x *RackInfo) Reset() {
 	*x = RackInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[26]
+		mi := &file_master_proto_msgTypes[27]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2039,7 +2150,7 @@ func (x *RackInfo) String() string {
 func (*RackInfo) ProtoMessage() {}
 
 func (x *RackInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[26]
+	mi := &file_master_proto_msgTypes[27]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2052,7 +2163,7 @@ func (x *RackInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RackInfo.ProtoReflect.Descriptor instead.
 func (*RackInfo) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{26}
+	return file_master_proto_rawDescGZIP(), []int{27}
 }
 
 func (x *RackInfo) GetId() string {
@@ -2089,7 +2200,7 @@ type DataCenterInfo struct {
 func (x *DataCenterInfo) Reset() {
 	*x = DataCenterInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[27]
+		mi := &file_master_proto_msgTypes[28]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2102,7 +2213,7 @@ func (x *DataCenterInfo) String() string {
 func (*DataCenterInfo) ProtoMessage() {}
 
 func (x *DataCenterInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[27]
+	mi := &file_master_proto_msgTypes[28]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2115,7 +2226,7 @@ func (x *DataCenterInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DataCenterInfo.ProtoReflect.Descriptor instead.
 func (*DataCenterInfo) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{27}
+	return file_master_proto_rawDescGZIP(), []int{28}
 }
 
 func (x *DataCenterInfo) GetId() string {
@@ -2152,7 +2263,7 @@ type TopologyInfo struct {
 func (x *TopologyInfo) Reset() {
 	*x = TopologyInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[28]
+		mi := &file_master_proto_msgTypes[29]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2165,7 +2276,7 @@ func (x *TopologyInfo) String() string {
 func (*TopologyInfo) ProtoMessage() {}
 
 func (x *TopologyInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[28]
+	mi := &file_master_proto_msgTypes[29]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2178,7 +2289,7 @@ func (x *TopologyInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TopologyInfo.ProtoReflect.Descriptor instead.
 func (*TopologyInfo) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{28}
+	return file_master_proto_rawDescGZIP(), []int{29}
 }
 
 func (x *TopologyInfo) GetId() string {
@@ -2211,7 +2322,7 @@ type VolumeListRequest struct {
 func (x *VolumeListRequest) Reset() {
 	*x = VolumeListRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[29]
+		mi := &file_master_proto_msgTypes[30]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2224,7 +2335,7 @@ func (x *VolumeListRequest) String() string {
 func (*VolumeListRequest) ProtoMessage() {}
 
 func (x *VolumeListRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[29]
+	mi := &file_master_proto_msgTypes[30]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2237,7 +2348,7 @@ func (x *VolumeListRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use VolumeListRequest.ProtoReflect.Descriptor instead.
 func (*VolumeListRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{29}
+	return file_master_proto_rawDescGZIP(), []int{30}
 }
 
 type VolumeListResponse struct {
@@ -2252,7 +2363,7 @@ type VolumeListResponse struct {
 func (x *VolumeListResponse) Reset() {
 	*x = VolumeListResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[30]
+		mi := &file_master_proto_msgTypes[31]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2265,7 +2376,7 @@ func (x *VolumeListResponse) String() string {
 func (*VolumeListResponse) ProtoMessage() {}
 
 func (x *VolumeListResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[30]
+	mi := &file_master_proto_msgTypes[31]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2278,7 +2389,7 @@ func (x *VolumeListResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use VolumeListResponse.ProtoReflect.Descriptor instead.
 func (*VolumeListResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{30}
+	return file_master_proto_rawDescGZIP(), []int{31}
 }
 
 func (x *VolumeListResponse) GetTopologyInfo() *TopologyInfo {
@@ -2306,7 +2417,7 @@ type LookupEcVolumeRequest struct {
 func (x *LookupEcVolumeRequest) Reset() {
 	*x = LookupEcVolumeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[31]
+		mi := &file_master_proto_msgTypes[32]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2319,7 +2430,7 @@ func (x *LookupEcVolumeRequest) String() string {
 func (*LookupEcVolumeRequest) ProtoMessage() {}
 
 func (x *LookupEcVolumeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[31]
+	mi := &file_master_proto_msgTypes[32]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2332,7 +2443,7 @@ func (x *LookupEcVolumeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LookupEcVolumeRequest.ProtoReflect.Descriptor instead.
 func (*LookupEcVolumeRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{31}
+	return file_master_proto_rawDescGZIP(), []int{32}
 }
 
 func (x *LookupEcVolumeRequest) GetVolumeId() uint32 {
@@ -2354,7 +2465,7 @@ type LookupEcVolumeResponse struct {
 func (x *LookupEcVolumeResponse) Reset() {
 	*x = LookupEcVolumeResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[32]
+		mi := &file_master_proto_msgTypes[33]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2367,7 +2478,7 @@ func (x *LookupEcVolumeResponse) String() string {
 func (*LookupEcVolumeResponse) ProtoMessage() {}
 
 func (x *LookupEcVolumeResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[32]
+	mi := &file_master_proto_msgTypes[33]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2380,7 +2491,7 @@ func (x *LookupEcVolumeResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LookupEcVolumeResponse.ProtoReflect.Descriptor instead.
 func (*LookupEcVolumeResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{32}
+	return file_master_proto_rawDescGZIP(), []int{33}
 }
 
 func (x *LookupEcVolumeResponse) GetVolumeId() uint32 {
@@ -2410,7 +2521,7 @@ type VacuumVolumeRequest struct {
 func (x *VacuumVolumeRequest) Reset() {
 	*x = VacuumVolumeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[33]
+		mi := &file_master_proto_msgTypes[34]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2423,7 +2534,7 @@ func (x *VacuumVolumeRequest) String() string {
 func (*VacuumVolumeRequest) ProtoMessage() {}
 
 func (x *VacuumVolumeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[33]
+	mi := &file_master_proto_msgTypes[34]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2436,7 +2547,7 @@ func (x *VacuumVolumeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use VacuumVolumeRequest.ProtoReflect.Descriptor instead.
 func (*VacuumVolumeRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{33}
+	return file_master_proto_rawDescGZIP(), []int{34}
 }
 
 func (x *VacuumVolumeRequest) GetGarbageThreshold() float32 {
@@ -2469,7 +2580,7 @@ type VacuumVolumeResponse struct {
 func (x *VacuumVolumeResponse) Reset() {
 	*x = VacuumVolumeResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[34]
+		mi := &file_master_proto_msgTypes[35]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2482,7 +2593,7 @@ func (x *VacuumVolumeResponse) String() string {
 func (*VacuumVolumeResponse) ProtoMessage() {}
 
 func (x *VacuumVolumeResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[34]
+	mi := &file_master_proto_msgTypes[35]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2495,7 +2606,7 @@ func (x *VacuumVolumeResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use VacuumVolumeResponse.ProtoReflect.Descriptor instead.
 func (*VacuumVolumeResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{34}
+	return file_master_proto_rawDescGZIP(), []int{35}
 }
 
 type DisableVacuumRequest struct {
@@ -2507,7 +2618,7 @@ type DisableVacuumRequest struct {
 func (x *DisableVacuumRequest) Reset() {
 	*x = DisableVacuumRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[35]
+		mi := &file_master_proto_msgTypes[36]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2520,7 +2631,7 @@ func (x *DisableVacuumRequest) String() string {
 func (*DisableVacuumRequest) ProtoMessage() {}
 
 func (x *DisableVacuumRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[35]
+	mi := &file_master_proto_msgTypes[36]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2533,7 +2644,7 @@ func (x *DisableVacuumRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DisableVacuumRequest.ProtoReflect.Descriptor instead.
 func (*DisableVacuumRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{35}
+	return file_master_proto_rawDescGZIP(), []int{36}
 }
 
 type DisableVacuumResponse struct {
@@ -2545,7 +2656,7 @@ type DisableVacuumResponse struct {
 func (x *DisableVacuumResponse) Reset() {
 	*x = DisableVacuumResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[36]
+		mi := &file_master_proto_msgTypes[37]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2558,7 +2669,7 @@ func (x *DisableVacuumResponse) String() string {
 func (*DisableVacuumResponse) ProtoMessage() {}
 
 func (x *DisableVacuumResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[36]
+	mi := &file_master_proto_msgTypes[37]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2571,7 +2682,7 @@ func (x *DisableVacuumResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DisableVacuumResponse.ProtoReflect.Descriptor instead.
 func (*DisableVacuumResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{36}
+	return file_master_proto_rawDescGZIP(), []int{37}
 }
 
 type EnableVacuumRequest struct {
@@ -2583,7 +2694,7 @@ type EnableVacuumRequest struct {
 func (x *EnableVacuumRequest) Reset() {
 	*x = EnableVacuumRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[37]
+		mi := &file_master_proto_msgTypes[38]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2596,7 +2707,7 @@ func (x *EnableVacuumRequest) String() string {
 func (*EnableVacuumRequest) ProtoMessage() {}
 
 func (x *EnableVacuumRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[37]
+	mi := &file_master_proto_msgTypes[38]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2609,7 +2720,7 @@ func (x *EnableVacuumRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use EnableVacuumRequest.ProtoReflect.Descriptor instead.
 func (*EnableVacuumRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{37}
+	return file_master_proto_rawDescGZIP(), []int{38}
 }
 
 type EnableVacuumResponse struct {
@@ -2621,7 +2732,7 @@ type EnableVacuumResponse struct {
 func (x *EnableVacuumResponse) Reset() {
 	*x = EnableVacuumResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[38]
+		mi := &file_master_proto_msgTypes[39]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2634,7 +2745,7 @@ func (x *EnableVacuumResponse) String() string {
 func (*EnableVacuumResponse) ProtoMessage() {}
 
 func (x *EnableVacuumResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[38]
+	mi := &file_master_proto_msgTypes[39]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2647,7 +2758,7 @@ func (x *EnableVacuumResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use EnableVacuumResponse.ProtoReflect.Descriptor instead.
 func (*EnableVacuumResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{38}
+	return file_master_proto_rawDescGZIP(), []int{39}
 }
 
 type VolumeMarkReadonlyRequest struct {
@@ -2669,7 +2780,7 @@ type VolumeMarkReadonlyRequest struct {
 func (x *VolumeMarkReadonlyRequest) Reset() {
 	*x = VolumeMarkReadonlyRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[39]
+		mi := &file_master_proto_msgTypes[40]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2682,7 +2793,7 @@ func (x *VolumeMarkReadonlyRequest) String() string {
 func (*VolumeMarkReadonlyRequest) ProtoMessage() {}
 
 func (x *VolumeMarkReadonlyRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[39]
+	mi := &file_master_proto_msgTypes[40]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2695,7 +2806,7 @@ func (x *VolumeMarkReadonlyRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use VolumeMarkReadonlyRequest.ProtoReflect.Descriptor instead.
 func (*VolumeMarkReadonlyRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{39}
+	return file_master_proto_rawDescGZIP(), []int{40}
 }
 
 func (x *VolumeMarkReadonlyRequest) GetIp() string {
@@ -2770,7 +2881,7 @@ type VolumeMarkReadonlyResponse struct {
 func (x *VolumeMarkReadonlyResponse) Reset() {
 	*x = VolumeMarkReadonlyResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[40]
+		mi := &file_master_proto_msgTypes[41]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2783,7 +2894,7 @@ func (x *VolumeMarkReadonlyResponse) String() string {
 func (*VolumeMarkReadonlyResponse) ProtoMessage() {}
 
 func (x *VolumeMarkReadonlyResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[40]
+	mi := &file_master_proto_msgTypes[41]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2796,7 +2907,7 @@ func (x *VolumeMarkReadonlyResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use VolumeMarkReadonlyResponse.ProtoReflect.Descriptor instead.
 func (*VolumeMarkReadonlyResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{40}
+	return file_master_proto_rawDescGZIP(), []int{41}
 }
 
 type GetMasterConfigurationRequest struct {
@@ -2808,7 +2919,7 @@ type GetMasterConfigurationRequest struct {
 func (x *GetMasterConfigurationRequest) Reset() {
 	*x = GetMasterConfigurationRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[41]
+		mi := &file_master_proto_msgTypes[42]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2821,7 +2932,7 @@ func (x *GetMasterConfigurationRequest) String() string {
 func (*GetMasterConfigurationRequest) ProtoMessage() {}
 
 func (x *GetMasterConfigurationRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[41]
+	mi := &file_master_proto_msgTypes[42]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2834,7 +2945,7 @@ func (x *GetMasterConfigurationRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMasterConfigurationRequest.ProtoReflect.Descriptor instead.
 func (*GetMasterConfigurationRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{41}
+	return file_master_proto_rawDescGZIP(), []int{42}
 }
 
 type GetMasterConfigurationResponse struct {
@@ -2854,7 +2965,7 @@ type GetMasterConfigurationResponse struct {
 func (x *GetMasterConfigurationResponse) Reset() {
 	*x = GetMasterConfigurationResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[42]
+		mi := &file_master_proto_msgTypes[43]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2867,7 +2978,7 @@ func (x *GetMasterConfigurationResponse) String() string {
 func (*GetMasterConfigurationResponse) ProtoMessage() {}
 
 func (x *GetMasterConfigurationResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[42]
+	mi := &file_master_proto_msgTypes[43]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2880,7 +2991,7 @@ func (x *GetMasterConfigurationResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMasterConfigurationResponse.ProtoReflect.Descriptor instead.
 func (*GetMasterConfigurationResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{42}
+	return file_master_proto_rawDescGZIP(), []int{43}
 }
 
 func (x *GetMasterConfigurationResponse) GetMetricsAddress() string {
@@ -2945,7 +3056,7 @@ type ListClusterNodesRequest struct {
 func (x *ListClusterNodesRequest) Reset() {
 	*x = ListClusterNodesRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[43]
+		mi := &file_master_proto_msgTypes[44]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2958,7 +3069,7 @@ func (x *ListClusterNodesRequest) String() string {
 func (*ListClusterNodesRequest) ProtoMessage() {}
 
 func (x *ListClusterNodesRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[43]
+	mi := &file_master_proto_msgTypes[44]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2971,7 +3082,7 @@ func (x *ListClusterNodesRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListClusterNodesRequest.ProtoReflect.Descriptor instead.
 func (*ListClusterNodesRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{43}
+	return file_master_proto_rawDescGZIP(), []int{44}
 }
 
 func (x *ListClusterNodesRequest) GetClientType() string {
@@ -3006,7 +3117,7 @@ type ListClusterNodesResponse struct {
 func (x *ListClusterNodesResponse) Reset() {
 	*x = ListClusterNodesResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[44]
+		mi := &file_master_proto_msgTypes[45]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3019,7 +3130,7 @@ func (x *ListClusterNodesResponse) String() string {
 func (*ListClusterNodesResponse) ProtoMessage() {}
 
 func (x *ListClusterNodesResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[44]
+	mi := &file_master_proto_msgTypes[45]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3032,7 +3143,7 @@ func (x *ListClusterNodesResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListClusterNodesResponse.ProtoReflect.Descriptor instead.
 func (*ListClusterNodesResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{44}
+	return file_master_proto_rawDescGZIP(), []int{45}
 }
 
 func (x *ListClusterNodesResponse) GetClusterNodes() []*ListClusterNodesResponse_ClusterNode {
@@ -3057,7 +3168,7 @@ type LeaseAdminTokenRequest struct {
 func (x *LeaseAdminTokenRequest) Reset() {
 	*x = LeaseAdminTokenRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[45]
+		mi := &file_master_proto_msgTypes[46]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3070,7 +3181,7 @@ func (x *LeaseAdminTokenRequest) String() string {
 func (*LeaseAdminTokenRequest) ProtoMessage() {}
 
 func (x *LeaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[45]
+	mi := &file_master_proto_msgTypes[46]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3083,7 +3194,7 @@ func (x *LeaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LeaseAdminTokenRequest.ProtoReflect.Descriptor instead.
 func (*LeaseAdminTokenRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{45}
+	return file_master_proto_rawDescGZIP(), []int{46}
 }
 
 func (x *LeaseAdminTokenRequest) GetPreviousToken() int64 {
@@ -3133,7 +3244,7 @@ type LeaseAdminTokenResponse struct {
 func (x *LeaseAdminTokenResponse) Reset() {
 	*x = LeaseAdminTokenResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[46]
+		mi := &file_master_proto_msgTypes[47]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3146,7 +3257,7 @@ func (x *LeaseAdminTokenResponse) String() string {
 func (*LeaseAdminTokenResponse) ProtoMessage() {}
 
 func (x *LeaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[46]
+	mi := &file_master_proto_msgTypes[47]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3159,7 +3270,7 @@ func (x *LeaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LeaseAdminTokenResponse.ProtoReflect.Descriptor instead.
 func (*LeaseAdminTokenResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{46}
+	return file_master_proto_rawDescGZIP(), []int{47}
 }
 
 func (x *LeaseAdminTokenResponse) GetToken() int64 {
@@ -3189,7 +3300,7 @@ type ReleaseAdminTokenRequest struct {
 func (x *ReleaseAdminTokenRequest) Reset() {
 	*x = ReleaseAdminTokenRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[47]
+		mi := &file_master_proto_msgTypes[48]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3202,7 +3313,7 @@ func (x *ReleaseAdminTokenRequest) String() string {
 func (*ReleaseAdminTokenRequest) ProtoMessage() {}
 
 func (x *ReleaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[47]
+	mi := &file_master_proto_msgTypes[48]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3215,7 +3326,7 @@ func (x *ReleaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ReleaseAdminTokenRequest.ProtoReflect.Descriptor instead.
 func (*ReleaseAdminTokenRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{47}
+	return file_master_proto_rawDescGZIP(), []int{48}
 }
 
 func (x *ReleaseAdminTokenRequest) GetPreviousToken() int64 {
@@ -3248,7 +3359,7 @@ type ReleaseAdminTokenResponse struct {
 func (x *ReleaseAdminTokenResponse) Reset() {
 	*x = ReleaseAdminTokenResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[48]
+		mi := &file_master_proto_msgTypes[49]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3261,7 +3372,7 @@ func (x *ReleaseAdminTokenResponse) String() string {
 func (*ReleaseAdminTokenResponse) ProtoMessage() {}
 
 func (x *ReleaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[48]
+	mi := &file_master_proto_msgTypes[49]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3274,7 +3385,7 @@ func (x *ReleaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ReleaseAdminTokenResponse.ProtoReflect.Descriptor instead.
 func (*ReleaseAdminTokenResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{48}
+	return file_master_proto_rawDescGZIP(), []int{49}
 }
 
 type PingRequest struct {
@@ -3289,7 +3400,7 @@ type PingRequest struct {
 func (x *PingRequest) Reset() {
 	*x = PingRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[49]
+		mi := &file_master_proto_msgTypes[50]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3302,7 +3413,7 @@ func (x *PingRequest) String() string {
 func (*PingRequest) ProtoMessage() {}
 
 func (x *PingRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[49]
+	mi := &file_master_proto_msgTypes[50]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3315,7 +3426,7 @@ func (x *PingRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PingRequest.ProtoReflect.Descriptor instead.
 func (*PingRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{49}
+	return file_master_proto_rawDescGZIP(), []int{50}
 }
 
 func (x *PingRequest) GetTarget() string {
@@ -3345,7 +3456,7 @@ type PingResponse struct {
 func (x *PingResponse) Reset() {
 	*x = PingResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[50]
+		mi := &file_master_proto_msgTypes[51]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3358,7 +3469,7 @@ func (x *PingResponse) String() string {
 func (*PingResponse) ProtoMessage() {}
 
 func (x *PingResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[50]
+	mi := &file_master_proto_msgTypes[51]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3371,7 +3482,7 @@ func (x *PingResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PingResponse.ProtoReflect.Descriptor instead.
 func (*PingResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{50}
+	return file_master_proto_rawDescGZIP(), []int{51}
 }
 
 func (x *PingResponse) GetStartTimeNs() int64 {
@@ -3408,7 +3519,7 @@ type RaftAddServerRequest struct {
 func (x *RaftAddServerRequest) Reset() {
 	*x = RaftAddServerRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[51]
+		mi := &file_master_proto_msgTypes[52]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3421,7 +3532,7 @@ func (x *RaftAddServerRequest) String() string {
 func (*RaftAddServerRequest) ProtoMessage() {}
 
 func (x *RaftAddServerRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[51]
+	mi := &file_master_proto_msgTypes[52]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3434,7 +3545,7 @@ func (x *RaftAddServerRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RaftAddServerRequest.ProtoReflect.Descriptor instead.
 func (*RaftAddServerRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{51}
+	return file_master_proto_rawDescGZIP(), []int{52}
 }
 
 func (x *RaftAddServerRequest) GetId() string {
@@ -3467,7 +3578,7 @@ type RaftAddServerResponse struct {
 func (x *RaftAddServerResponse) Reset() {
 	*x = RaftAddServerResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[52]
+		mi := &file_master_proto_msgTypes[53]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3480,7 +3591,7 @@ func (x *RaftAddServerResponse) String() string {
 func (*RaftAddServerResponse) ProtoMessage() {}
 
 func (x *RaftAddServerResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[52]
+	mi := &file_master_proto_msgTypes[53]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3493,7 +3604,7 @@ func (x *RaftAddServerResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RaftAddServerResponse.ProtoReflect.Descriptor instead.
 func (*RaftAddServerResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{52}
+	return file_master_proto_rawDescGZIP(), []int{53}
 }
 
 type RaftRemoveServerRequest struct {
@@ -3508,7 +3619,7 @@ type RaftRemoveServerRequest struct {
 func (x *RaftRemoveServerRequest) Reset() {
 	*x = RaftRemoveServerRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[53]
+		mi := &file_master_proto_msgTypes[54]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3521,7 +3632,7 @@ func (x *RaftRemoveServerRequest) String() string {
 func (*RaftRemoveServerRequest) ProtoMessage() {}
 
 func (x *RaftRemoveServerRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[53]
+	mi := &file_master_proto_msgTypes[54]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3534,7 +3645,7 @@ func (x *RaftRemoveServerRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RaftRemoveServerRequest.ProtoReflect.Descriptor instead.
 func (*RaftRemoveServerRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{53}
+	return file_master_proto_rawDescGZIP(), []int{54}
 }
 
 func (x *RaftRemoveServerRequest) GetId() string {
@@ -3560,7 +3671,7 @@ type RaftRemoveServerResponse struct {
 func (x *RaftRemoveServerResponse) Reset() {
 	*x = RaftRemoveServerResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[54]
+		mi := &file_master_proto_msgTypes[55]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3573,7 +3684,7 @@ func (x *RaftRemoveServerResponse) String() string {
 func (*RaftRemoveServerResponse) ProtoMessage() {}
 
 func (x *RaftRemoveServerResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[54]
+	mi := &file_master_proto_msgTypes[55]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3586,7 +3697,7 @@ func (x *RaftRemoveServerResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RaftRemoveServerResponse.ProtoReflect.Descriptor instead.
 func (*RaftRemoveServerResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{54}
+	return file_master_proto_rawDescGZIP(), []int{55}
 }
 
 type RaftListClusterServersRequest struct {
@@ -3598,7 +3709,7 @@ type RaftListClusterServersRequest struct {
 func (x *RaftListClusterServersRequest) Reset() {
 	*x = RaftListClusterServersRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[55]
+		mi := &file_master_proto_msgTypes[56]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3611,7 +3722,7 @@ func (x *RaftListClusterServersRequest) String() string {
 func (*RaftListClusterServersRequest) ProtoMessage() {}
 
 func (x *RaftListClusterServersRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[55]
+	mi := &file_master_proto_msgTypes[56]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3624,7 +3735,7 @@ func (x *RaftListClusterServersRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RaftListClusterServersRequest.ProtoReflect.Descriptor instead.
 func (*RaftListClusterServersRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{55}
+	return file_master_proto_rawDescGZIP(), []int{56}
 }
 
 type RaftListClusterServersResponse struct {
@@ -3638,7 +3749,7 @@ type RaftListClusterServersResponse struct {
 func (x *RaftListClusterServersResponse) Reset() {
 	*x = RaftListClusterServersResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[56]
+		mi := &file_master_proto_msgTypes[57]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3651,7 +3762,7 @@ func (x *RaftListClusterServersResponse) String() string {
 func (*RaftListClusterServersResponse) ProtoMessage() {}
 
 func (x *RaftListClusterServersResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[56]
+	mi := &file_master_proto_msgTypes[57]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3664,7 +3775,7 @@ func (x *RaftListClusterServersResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RaftListClusterServersResponse.ProtoReflect.Descriptor instead.
 func (*RaftListClusterServersResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{56}
+	return file_master_proto_rawDescGZIP(), []int{57}
 }
 
 func (x *RaftListClusterServersResponse) GetClusterServers() []*RaftListClusterServersResponse_ClusterServers {
@@ -3674,6 +3785,44 @@ func (x *RaftListClusterServersResponse) GetClusterServers() []*RaftListClusterS
 	return nil
 }
 
+type VolumeGrowResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *VolumeGrowResponse) Reset() {
+	*x = VolumeGrowResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_master_proto_msgTypes[58]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *VolumeGrowResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*VolumeGrowResponse) ProtoMessage() {}
+
+func (x *VolumeGrowResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_master_proto_msgTypes[58]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use VolumeGrowResponse.ProtoReflect.Descriptor instead.
+func (*VolumeGrowResponse) Descriptor() ([]byte, []int) {
+	return file_master_proto_rawDescGZIP(), []int{58}
+}
+
 type SuperBlockExtra_ErasureCoding struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -3687,7 +3836,7 @@ type SuperBlockExtra_ErasureCoding struct {
 func (x *SuperBlockExtra_ErasureCoding) Reset() {
 	*x = SuperBlockExtra_ErasureCoding{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[59]
+		mi := &file_master_proto_msgTypes[61]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3700,7 +3849,7 @@ func (x *SuperBlockExtra_ErasureCoding) String() string {
 func (*SuperBlockExtra_ErasureCoding) ProtoMessage() {}
 
 func (x *SuperBlockExtra_ErasureCoding) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[59]
+	mi := &file_master_proto_msgTypes[61]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3751,7 +3900,7 @@ type LookupVolumeResponse_VolumeIdLocation struct {
 func (x *LookupVolumeResponse_VolumeIdLocation) Reset() {
 	*x = LookupVolumeResponse_VolumeIdLocation{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[60]
+		mi := &file_master_proto_msgTypes[62]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3764,7 +3913,7 @@ func (x *LookupVolumeResponse_VolumeIdLocation) String() string {
 func (*LookupVolumeResponse_VolumeIdLocation) ProtoMessage() {}
 
 func (x *LookupVolumeResponse_VolumeIdLocation) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[60]
+	mi := &file_master_proto_msgTypes[62]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3820,7 +3969,7 @@ type LookupEcVolumeResponse_EcShardIdLocation struct {
 func (x *LookupEcVolumeResponse_EcShardIdLocation) Reset() {
 	*x = LookupEcVolumeResponse_EcShardIdLocation{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[65]
+		mi := &file_master_proto_msgTypes[67]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3833,7 +3982,7 @@ func (x *LookupEcVolumeResponse_EcShardIdLocation) String() string {
 func (*LookupEcVolumeResponse_EcShardIdLocation) ProtoMessage() {}
 
 func (x *LookupEcVolumeResponse_EcShardIdLocation) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[65]
+	mi := &file_master_proto_msgTypes[67]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3846,7 +3995,7 @@ func (x *LookupEcVolumeResponse_EcShardIdLocation) ProtoReflect() protoreflect.M
 
 // Deprecated: Use LookupEcVolumeResponse_EcShardIdLocation.ProtoReflect.Descriptor instead.
 func (*LookupEcVolumeResponse_EcShardIdLocation) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{32, 0}
+	return file_master_proto_rawDescGZIP(), []int{33, 0}
 }
 
 func (x *LookupEcVolumeResponse_EcShardIdLocation) GetShardId() uint32 {
@@ -3878,7 +4027,7 @@ type ListClusterNodesResponse_ClusterNode struct {
 func (x *ListClusterNodesResponse_ClusterNode) Reset() {
 	*x = ListClusterNodesResponse_ClusterNode{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[66]
+		mi := &file_master_proto_msgTypes[68]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3891,7 +4040,7 @@ func (x *ListClusterNodesResponse_ClusterNode) String() string {
 func (*ListClusterNodesResponse_ClusterNode) ProtoMessage() {}
 
 func (x *ListClusterNodesResponse_ClusterNode) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[66]
+	mi := &file_master_proto_msgTypes[68]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3904,7 +4053,7 @@ func (x *ListClusterNodesResponse_ClusterNode) ProtoReflect() protoreflect.Messa
 
 // Deprecated: Use ListClusterNodesResponse_ClusterNode.ProtoReflect.Descriptor instead.
 func (*ListClusterNodesResponse_ClusterNode) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{44, 0}
+	return file_master_proto_rawDescGZIP(), []int{45, 0}
 }
 
 func (x *ListClusterNodesResponse_ClusterNode) GetAddress() string {
@@ -3956,7 +4105,7 @@ type RaftListClusterServersResponse_ClusterServers struct {
 func (x *RaftListClusterServersResponse_ClusterServers) Reset() {
 	*x = RaftListClusterServersResponse_ClusterServers{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[67]
+		mi := &file_master_proto_msgTypes[69]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3969,7 +4118,7 @@ func (x *RaftListClusterServersResponse_ClusterServers) String() string {
 func (*RaftListClusterServersResponse_ClusterServers) ProtoMessage() {}
 
 func (x *RaftListClusterServersResponse_ClusterServers) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[67]
+	mi := &file_master_proto_msgTypes[69]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3982,7 +4131,7 @@ func (x *RaftListClusterServersResponse_ClusterServers) ProtoReflect() protorefl
 
 // Deprecated: Use RaftListClusterServersResponse_ClusterServers.ProtoReflect.Descriptor instead.
 func (*RaftListClusterServersResponse_ClusterServers) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{56, 0}
+	return file_master_proto_rawDescGZIP(), []int{57, 0}
 }
 
 func (x *RaftListClusterServersResponse_ClusterServers) GetId() string {
@@ -4279,453 +4428,479 @@ var file_master_proto_rawDesc = []byte{
 	0x65, 0x6d, 0x6f, 0x72, 0x79, 0x5f, 0x6d, 0x61, 0x70, 0x5f, 0x6d, 0x61, 0x78, 0x5f, 0x73, 0x69,
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 }
 
 var (
@@ -4740,7 +4915,7 @@ func file_master_proto_rawDescGZIP() []byte {
 	return file_master_proto_rawDescData
 }
 
-var file_master_proto_msgTypes = make([]protoimpl.MessageInfo, 68)
+var file_master_proto_msgTypes = make([]protoimpl.MessageInfo, 70)
 var file_master_proto_goTypes = []interface{}{
 	(*Heartbeat)(nil),                             // 0: master_pb.Heartbeat
 	(*HeartbeatResponse)(nil),                     // 1: master_pb.HeartbeatResponse
@@ -4758,58 +4933,60 @@ var file_master_proto_goTypes = []interface{}{
 	(*LookupVolumeResponse)(nil),                  // 13: master_pb.LookupVolumeResponse
 	(*Location)(nil),                              // 14: master_pb.Location
 	(*AssignRequest)(nil),                         // 15: master_pb.AssignRequest
-	(*AssignResponse)(nil),                        // 16: master_pb.AssignResponse
-	(*StatisticsRequest)(nil),                     // 17: master_pb.StatisticsRequest
-	(*StatisticsResponse)(nil),                    // 18: master_pb.StatisticsResponse
-	(*Collection)(nil),                            // 19: master_pb.Collection
-	(*CollectionListRequest)(nil),                 // 20: master_pb.CollectionListRequest
-	(*CollectionListResponse)(nil),                // 21: master_pb.CollectionListResponse
-	(*CollectionDeleteRequest)(nil),               // 22: master_pb.CollectionDeleteRequest
-	(*CollectionDeleteResponse)(nil),              // 23: master_pb.CollectionDeleteResponse
-	(*DiskInfo)(nil),                              // 24: master_pb.DiskInfo
-	(*DataNodeInfo)(nil),                          // 25: master_pb.DataNodeInfo
-	(*RackInfo)(nil),                              // 26: master_pb.RackInfo
-	(*DataCenterInfo)(nil),                        // 27: master_pb.DataCenterInfo
-	(*TopologyInfo)(nil),                          // 28: master_pb.TopologyInfo
-	(*VolumeListRequest)(nil),                     // 29: master_pb.VolumeListRequest
-	(*VolumeListResponse)(nil),                    // 30: master_pb.VolumeListResponse
-	(*LookupEcVolumeRequest)(nil),                 // 31: master_pb.LookupEcVolumeRequest
-	(*LookupEcVolumeResponse)(nil),                // 32: master_pb.LookupEcVolumeResponse
-	(*VacuumVolumeRequest)(nil),                   // 33: master_pb.VacuumVolumeRequest
-	(*VacuumVolumeResponse)(nil),                  // 34: master_pb.VacuumVolumeResponse
-	(*DisableVacuumRequest)(nil),                  // 35: master_pb.DisableVacuumRequest
-	(*DisableVacuumResponse)(nil),                 // 36: master_pb.DisableVacuumResponse
-	(*EnableVacuumRequest)(nil),                   // 37: master_pb.EnableVacuumRequest
-	(*EnableVacuumResponse)(nil),                  // 38: master_pb.EnableVacuumResponse
-	(*VolumeMarkReadonlyRequest)(nil),             // 39: master_pb.VolumeMarkReadonlyRequest
-	(*VolumeMarkReadonlyResponse)(nil),            // 40: master_pb.VolumeMarkReadonlyResponse
-	(*GetMasterConfigurationRequest)(nil),         // 41: master_pb.GetMasterConfigurationRequest
-	(*GetMasterConfigurationResponse)(nil),        // 42: master_pb.GetMasterConfigurationResponse
-	(*ListClusterNodesRequest)(nil),               // 43: master_pb.ListClusterNodesRequest
-	(*ListClusterNodesResponse)(nil),              // 44: master_pb.ListClusterNodesResponse
-	(*LeaseAdminTokenRequest)(nil),                // 45: master_pb.LeaseAdminTokenRequest
-	(*LeaseAdminTokenResponse)(nil),               // 46: master_pb.LeaseAdminTokenResponse
-	(*ReleaseAdminTokenRequest)(nil),              // 47: master_pb.ReleaseAdminTokenRequest
-	(*ReleaseAdminTokenResponse)(nil),             // 48: master_pb.ReleaseAdminTokenResponse
-	(*PingRequest)(nil),                           // 49: master_pb.PingRequest
-	(*PingResponse)(nil),                          // 50: master_pb.PingResponse
-	(*RaftAddServerRequest)(nil),                  // 51: master_pb.RaftAddServerRequest
-	(*RaftAddServerResponse)(nil),                 // 52: master_pb.RaftAddServerResponse
-	(*RaftRemoveServerRequest)(nil),               // 53: master_pb.RaftRemoveServerRequest
-	(*RaftRemoveServerResponse)(nil),              // 54: master_pb.RaftRemoveServerResponse
-	(*RaftListClusterServersRequest)(nil),         // 55: master_pb.RaftListClusterServersRequest
-	(*RaftListClusterServersResponse)(nil),        // 56: master_pb.RaftListClusterServersResponse
-	nil,                                           // 57: master_pb.Heartbeat.MaxVolumeCountsEntry
-	nil,                                           // 58: master_pb.StorageBackend.PropertiesEntry
-	(*SuperBlockExtra_ErasureCoding)(nil),         // 59: master_pb.SuperBlockExtra.ErasureCoding
-	(*LookupVolumeResponse_VolumeIdLocation)(nil), // 60: master_pb.LookupVolumeResponse.VolumeIdLocation
-	nil, // 61: master_pb.DataNodeInfo.DiskInfosEntry
-	nil, // 62: master_pb.RackInfo.DiskInfosEntry
-	nil, // 63: master_pb.DataCenterInfo.DiskInfosEntry
-	nil, // 64: master_pb.TopologyInfo.DiskInfosEntry
-	(*LookupEcVolumeResponse_EcShardIdLocation)(nil),      // 65: master_pb.LookupEcVolumeResponse.EcShardIdLocation
-	(*ListClusterNodesResponse_ClusterNode)(nil),          // 66: master_pb.ListClusterNodesResponse.ClusterNode
-	(*RaftListClusterServersResponse_ClusterServers)(nil), // 67: master_pb.RaftListClusterServersResponse.ClusterServers
+	(*VolumeGrowRequest)(nil),                     // 16: master_pb.VolumeGrowRequest
+	(*AssignResponse)(nil),                        // 17: master_pb.AssignResponse
+	(*StatisticsRequest)(nil),                     // 18: master_pb.StatisticsRequest
+	(*StatisticsResponse)(nil),                    // 19: master_pb.StatisticsResponse
+	(*Collection)(nil),                            // 20: master_pb.Collection
+	(*CollectionListRequest)(nil),                 // 21: master_pb.CollectionListRequest
+	(*CollectionListResponse)(nil),                // 22: master_pb.CollectionListResponse
+	(*CollectionDeleteRequest)(nil),               // 23: master_pb.CollectionDeleteRequest
+	(*CollectionDeleteResponse)(nil),              // 24: master_pb.CollectionDeleteResponse
+	(*DiskInfo)(nil),                              // 25: master_pb.DiskInfo
+	(*DataNodeInfo)(nil),                          // 26: master_pb.DataNodeInfo
+	(*RackInfo)(nil),                              // 27: master_pb.RackInfo
+	(*DataCenterInfo)(nil),                        // 28: master_pb.DataCenterInfo
+	(*TopologyInfo)(nil),                          // 29: master_pb.TopologyInfo
+	(*VolumeListRequest)(nil),                     // 30: master_pb.VolumeListRequest
+	(*VolumeListResponse)(nil),                    // 31: master_pb.VolumeListResponse
+	(*LookupEcVolumeRequest)(nil),                 // 32: master_pb.LookupEcVolumeRequest
+	(*LookupEcVolumeResponse)(nil),                // 33: master_pb.LookupEcVolumeResponse
+	(*VacuumVolumeRequest)(nil),                   // 34: master_pb.VacuumVolumeRequest
+	(*VacuumVolumeResponse)(nil),                  // 35: master_pb.VacuumVolumeResponse
+	(*DisableVacuumRequest)(nil),                  // 36: master_pb.DisableVacuumRequest
+	(*DisableVacuumResponse)(nil),                 // 37: master_pb.DisableVacuumResponse
+	(*EnableVacuumRequest)(nil),                   // 38: master_pb.EnableVacuumRequest
+	(*EnableVacuumResponse)(nil),                  // 39: master_pb.EnableVacuumResponse
+	(*VolumeMarkReadonlyRequest)(nil),             // 40: master_pb.VolumeMarkReadonlyRequest
+	(*VolumeMarkReadonlyResponse)(nil),            // 41: master_pb.VolumeMarkReadonlyResponse
+	(*GetMasterConfigurationRequest)(nil),         // 42: master_pb.GetMasterConfigurationRequest
+	(*GetMasterConfigurationResponse)(nil),        // 43: master_pb.GetMasterConfigurationResponse
+	(*ListClusterNodesRequest)(nil),               // 44: master_pb.ListClusterNodesRequest
+	(*ListClusterNodesResponse)(nil),              // 45: master_pb.ListClusterNodesResponse
+	(*LeaseAdminTokenRequest)(nil),                // 46: master_pb.LeaseAdminTokenRequest
+	(*LeaseAdminTokenResponse)(nil),               // 47: master_pb.LeaseAdminTokenResponse
+	(*ReleaseAdminTokenRequest)(nil),              // 48: master_pb.ReleaseAdminTokenRequest
+	(*ReleaseAdminTokenResponse)(nil),             // 49: master_pb.ReleaseAdminTokenResponse
+	(*PingRequest)(nil),                           // 50: master_pb.PingRequest
+	(*PingResponse)(nil),                          // 51: master_pb.PingResponse
+	(*RaftAddServerRequest)(nil),                  // 52: master_pb.RaftAddServerRequest
+	(*RaftAddServerResponse)(nil),                 // 53: master_pb.RaftAddServerResponse
+	(*RaftRemoveServerRequest)(nil),               // 54: master_pb.RaftRemoveServerRequest
+	(*RaftRemoveServerResponse)(nil),              // 55: master_pb.RaftRemoveServerResponse
+	(*RaftListClusterServersRequest)(nil),         // 56: master_pb.RaftListClusterServersRequest
+	(*RaftListClusterServersResponse)(nil),        // 57: master_pb.RaftListClusterServersResponse
+	(*VolumeGrowResponse)(nil),                    // 58: master_pb.VolumeGrowResponse
+	nil,                                           // 59: master_pb.Heartbeat.MaxVolumeCountsEntry
+	nil,                                           // 60: master_pb.StorageBackend.PropertiesEntry
+	(*SuperBlockExtra_ErasureCoding)(nil),         // 61: master_pb.SuperBlockExtra.ErasureCoding
+	(*LookupVolumeResponse_VolumeIdLocation)(nil), // 62: master_pb.LookupVolumeResponse.VolumeIdLocation
+	nil, // 63: master_pb.DataNodeInfo.DiskInfosEntry
+	nil, // 64: master_pb.RackInfo.DiskInfosEntry
+	nil, // 65: master_pb.DataCenterInfo.DiskInfosEntry
+	nil, // 66: master_pb.TopologyInfo.DiskInfosEntry
+	(*LookupEcVolumeResponse_EcShardIdLocation)(nil),      // 67: master_pb.LookupEcVolumeResponse.EcShardIdLocation
+	(*ListClusterNodesResponse_ClusterNode)(nil),          // 68: master_pb.ListClusterNodesResponse.ClusterNode
+	(*RaftListClusterServersResponse_ClusterServers)(nil), // 69: master_pb.RaftListClusterServersResponse.ClusterServers
 }
 var file_master_proto_depIdxs = []int32{
 	2,  // 0: master_pb.Heartbeat.volumes:type_name -> master_pb.VolumeInformationMessage
@@ -4818,82 +4995,84 @@ var file_master_proto_depIdxs = []int32{
 	4,  // 3: master_pb.Heartbeat.ec_shards:type_name -> master_pb.VolumeEcShardInformationMessage
 	4,  // 4: master_pb.Heartbeat.new_ec_shards:type_name -> master_pb.VolumeEcShardInformationMessage
 	4,  // 5: master_pb.Heartbeat.deleted_ec_shards:type_name -> master_pb.VolumeEcShardInformationMessage
-	57, // 6: master_pb.Heartbeat.max_volume_counts:type_name -> master_pb.Heartbeat.MaxVolumeCountsEntry
+	59, // 6: master_pb.Heartbeat.max_volume_counts:type_name -> master_pb.Heartbeat.MaxVolumeCountsEntry
 	5,  // 7: master_pb.HeartbeatResponse.storage_backends:type_name -> master_pb.StorageBackend
-	58, // 8: master_pb.StorageBackend.properties:type_name -> master_pb.StorageBackend.PropertiesEntry
-	59, // 9: master_pb.SuperBlockExtra.erasure_coding:type_name -> master_pb.SuperBlockExtra.ErasureCoding
+	60, // 8: master_pb.StorageBackend.properties:type_name -> master_pb.StorageBackend.PropertiesEntry
+	61, // 9: master_pb.SuperBlockExtra.erasure_coding:type_name -> master_pb.SuperBlockExtra.ErasureCoding
 	9,  // 10: master_pb.KeepConnectedResponse.volume_location:type_name -> master_pb.VolumeLocation
 	10, // 11: master_pb.KeepConnectedResponse.cluster_node_update:type_name -> master_pb.ClusterNodeUpdate
-	60, // 12: master_pb.LookupVolumeResponse.volume_id_locations:type_name -> master_pb.LookupVolumeResponse.VolumeIdLocation
+	62, // 12: master_pb.LookupVolumeResponse.volume_id_locations:type_name -> master_pb.LookupVolumeResponse.VolumeIdLocation
 	14, // 13: master_pb.AssignResponse.replicas:type_name -> master_pb.Location
 	14, // 14: master_pb.AssignResponse.location:type_name -> master_pb.Location
-	19, // 15: master_pb.CollectionListResponse.collections:type_name -> master_pb.Collection
+	20, // 15: master_pb.CollectionListResponse.collections:type_name -> master_pb.Collection
 	2,  // 16: master_pb.DiskInfo.volume_infos:type_name -> master_pb.VolumeInformationMessage
 	4,  // 17: master_pb.DiskInfo.ec_shard_infos:type_name -> master_pb.VolumeEcShardInformationMessage
-	61, // 18: master_pb.DataNodeInfo.diskInfos:type_name -> master_pb.DataNodeInfo.DiskInfosEntry
-	25, // 19: master_pb.RackInfo.data_node_infos:type_name -> master_pb.DataNodeInfo
-	62, // 20: master_pb.RackInfo.diskInfos:type_name -> master_pb.RackInfo.DiskInfosEntry
-	26, // 21: master_pb.DataCenterInfo.rack_infos:type_name -> master_pb.RackInfo
-	63, // 22: master_pb.DataCenterInfo.diskInfos:type_name -> master_pb.DataCenterInfo.DiskInfosEntry
-	27, // 23: master_pb.TopologyInfo.data_center_infos:type_name -> master_pb.DataCenterInfo
-	64, // 24: master_pb.TopologyInfo.diskInfos:type_name -> master_pb.TopologyInfo.DiskInfosEntry
-	28, // 25: master_pb.VolumeListResponse.topology_info:type_name -> master_pb.TopologyInfo
-	65, // 26: master_pb.LookupEcVolumeResponse.shard_id_locations:type_name -> master_pb.LookupEcVolumeResponse.EcShardIdLocation
+	63, // 18: master_pb.DataNodeInfo.diskInfos:type_name -> master_pb.DataNodeInfo.DiskInfosEntry
+	26, // 19: master_pb.RackInfo.data_node_infos:type_name -> master_pb.DataNodeInfo
+	64, // 20: master_pb.RackInfo.diskInfos:type_name -> master_pb.RackInfo.DiskInfosEntry
+	27, // 21: master_pb.DataCenterInfo.rack_infos:type_name -> master_pb.RackInfo
+	65, // 22: master_pb.DataCenterInfo.diskInfos:type_name -> master_pb.DataCenterInfo.DiskInfosEntry
+	28, // 23: master_pb.TopologyInfo.data_center_infos:type_name -> master_pb.DataCenterInfo
+	66, // 24: master_pb.TopologyInfo.diskInfos:type_name -> master_pb.TopologyInfo.DiskInfosEntry
+	29, // 25: master_pb.VolumeListResponse.topology_info:type_name -> master_pb.TopologyInfo
+	67, // 26: master_pb.LookupEcVolumeResponse.shard_id_locations:type_name -> master_pb.LookupEcVolumeResponse.EcShardIdLocation
 	5,  // 27: master_pb.GetMasterConfigurationResponse.storage_backends:type_name -> master_pb.StorageBackend
-	66, // 28: master_pb.ListClusterNodesResponse.cluster_nodes:type_name -> master_pb.ListClusterNodesResponse.ClusterNode
-	67, // 29: master_pb.RaftListClusterServersResponse.cluster_servers:type_name -> master_pb.RaftListClusterServersResponse.ClusterServers
+	68, // 28: master_pb.ListClusterNodesResponse.cluster_nodes:type_name -> master_pb.ListClusterNodesResponse.ClusterNode
+	69, // 29: master_pb.RaftListClusterServersResponse.cluster_servers:type_name -> master_pb.RaftListClusterServersResponse.ClusterServers
 	14, // 30: master_pb.LookupVolumeResponse.VolumeIdLocation.locations:type_name -> master_pb.Location
-	24, // 31: master_pb.DataNodeInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
-	24, // 32: master_pb.RackInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
-	24, // 33: master_pb.DataCenterInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
-	24, // 34: master_pb.TopologyInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
+	25, // 31: master_pb.DataNodeInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
+	25, // 32: master_pb.RackInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
+	25, // 33: master_pb.DataCenterInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
+	25, // 34: master_pb.TopologyInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
 	14, // 35: master_pb.LookupEcVolumeResponse.EcShardIdLocation.locations:type_name -> master_pb.Location
 	0,  // 36: master_pb.Seaweed.SendHeartbeat:input_type -> master_pb.Heartbeat
 	8,  // 37: master_pb.Seaweed.KeepConnected:input_type -> master_pb.KeepConnectedRequest
 	12, // 38: master_pb.Seaweed.LookupVolume:input_type -> master_pb.LookupVolumeRequest
 	15, // 39: master_pb.Seaweed.Assign:input_type -> master_pb.AssignRequest
 	15, // 40: master_pb.Seaweed.StreamAssign:input_type -> master_pb.AssignRequest
-	17, // 41: master_pb.Seaweed.Statistics:input_type -> master_pb.StatisticsRequest
-	20, // 42: master_pb.Seaweed.CollectionList:input_type -> master_pb.CollectionListRequest
-	22, // 43: master_pb.Seaweed.CollectionDelete:input_type -> master_pb.CollectionDeleteRequest
-	29, // 44: master_pb.Seaweed.VolumeList:input_type -> master_pb.VolumeListRequest
-	31, // 45: master_pb.Seaweed.LookupEcVolume:input_type -> master_pb.LookupEcVolumeRequest
-	33, // 46: master_pb.Seaweed.VacuumVolume:input_type -> master_pb.VacuumVolumeRequest
-	35, // 47: master_pb.Seaweed.DisableVacuum:input_type -> master_pb.DisableVacuumRequest
-	37, // 48: master_pb.Seaweed.EnableVacuum:input_type -> master_pb.EnableVacuumRequest
-	39, // 49: master_pb.Seaweed.VolumeMarkReadonly:input_type -> master_pb.VolumeMarkReadonlyRequest
-	41, // 50: master_pb.Seaweed.GetMasterConfiguration:input_type -> master_pb.GetMasterConfigurationRequest
-	43, // 51: master_pb.Seaweed.ListClusterNodes:input_type -> master_pb.ListClusterNodesRequest
-	45, // 52: master_pb.Seaweed.LeaseAdminToken:input_type -> master_pb.LeaseAdminTokenRequest
-	47, // 53: master_pb.Seaweed.ReleaseAdminToken:input_type -> master_pb.ReleaseAdminTokenRequest
-	49, // 54: master_pb.Seaweed.Ping:input_type -> master_pb.PingRequest
-	55, // 55: master_pb.Seaweed.RaftListClusterServers:input_type -> master_pb.RaftListClusterServersRequest
-	51, // 56: master_pb.Seaweed.RaftAddServer:input_type -> master_pb.RaftAddServerRequest
-	53, // 57: master_pb.Seaweed.RaftRemoveServer:input_type -> master_pb.RaftRemoveServerRequest
-	1,  // 58: master_pb.Seaweed.SendHeartbeat:output_type -> master_pb.HeartbeatResponse
-	11, // 59: master_pb.Seaweed.KeepConnected:output_type -> master_pb.KeepConnectedResponse
-	13, // 60: master_pb.Seaweed.LookupVolume:output_type -> master_pb.LookupVolumeResponse
-	16, // 61: master_pb.Seaweed.Assign:output_type -> master_pb.AssignResponse
-	16, // 62: master_pb.Seaweed.StreamAssign:output_type -> master_pb.AssignResponse
-	18, // 63: master_pb.Seaweed.Statistics:output_type -> master_pb.StatisticsResponse
-	21, // 64: master_pb.Seaweed.CollectionList:output_type -> master_pb.CollectionListResponse
-	23, // 65: master_pb.Seaweed.CollectionDelete:output_type -> master_pb.CollectionDeleteResponse
-	30, // 66: master_pb.Seaweed.VolumeList:output_type -> master_pb.VolumeListResponse
-	32, // 67: master_pb.Seaweed.LookupEcVolume:output_type -> master_pb.LookupEcVolumeResponse
-	34, // 68: master_pb.Seaweed.VacuumVolume:output_type -> master_pb.VacuumVolumeResponse
-	36, // 69: master_pb.Seaweed.DisableVacuum:output_type -> master_pb.DisableVacuumResponse
-	38, // 70: master_pb.Seaweed.EnableVacuum:output_type -> master_pb.EnableVacuumResponse
-	40, // 71: master_pb.Seaweed.VolumeMarkReadonly:output_type -> master_pb.VolumeMarkReadonlyResponse
-	42, // 72: master_pb.Seaweed.GetMasterConfiguration:output_type -> master_pb.GetMasterConfigurationResponse
-	44, // 73: master_pb.Seaweed.ListClusterNodes:output_type -> master_pb.ListClusterNodesResponse
-	46, // 74: master_pb.Seaweed.LeaseAdminToken:output_type -> master_pb.LeaseAdminTokenResponse
-	48, // 75: master_pb.Seaweed.ReleaseAdminToken:output_type -> master_pb.ReleaseAdminTokenResponse
-	50, // 76: master_pb.Seaweed.Ping:output_type -> master_pb.PingResponse
-	56, // 77: master_pb.Seaweed.RaftListClusterServers:output_type -> master_pb.RaftListClusterServersResponse
-	52, // 78: master_pb.Seaweed.RaftAddServer:output_type -> master_pb.RaftAddServerResponse
-	54, // 79: master_pb.Seaweed.RaftRemoveServer:output_type -> master_pb.RaftRemoveServerResponse
-	58, // [58:80] is the sub-list for method output_type
-	36, // [36:58] is the sub-list for method input_type
+	18, // 41: master_pb.Seaweed.Statistics:input_type -> master_pb.StatisticsRequest
+	21, // 42: master_pb.Seaweed.CollectionList:input_type -> master_pb.CollectionListRequest
+	23, // 43: master_pb.Seaweed.CollectionDelete:input_type -> master_pb.CollectionDeleteRequest
+	30, // 44: master_pb.Seaweed.VolumeList:input_type -> master_pb.VolumeListRequest
+	32, // 45: master_pb.Seaweed.LookupEcVolume:input_type -> master_pb.LookupEcVolumeRequest
+	34, // 46: master_pb.Seaweed.VacuumVolume:input_type -> master_pb.VacuumVolumeRequest
+	36, // 47: master_pb.Seaweed.DisableVacuum:input_type -> master_pb.DisableVacuumRequest
+	38, // 48: master_pb.Seaweed.EnableVacuum:input_type -> master_pb.EnableVacuumRequest
+	40, // 49: master_pb.Seaweed.VolumeMarkReadonly:input_type -> master_pb.VolumeMarkReadonlyRequest
+	42, // 50: master_pb.Seaweed.GetMasterConfiguration:input_type -> master_pb.GetMasterConfigurationRequest
+	44, // 51: master_pb.Seaweed.ListClusterNodes:input_type -> master_pb.ListClusterNodesRequest
+	46, // 52: master_pb.Seaweed.LeaseAdminToken:input_type -> master_pb.LeaseAdminTokenRequest
+	48, // 53: master_pb.Seaweed.ReleaseAdminToken:input_type -> master_pb.ReleaseAdminTokenRequest
+	50, // 54: master_pb.Seaweed.Ping:input_type -> master_pb.PingRequest
+	56, // 55: master_pb.Seaweed.RaftListClusterServers:input_type -> master_pb.RaftListClusterServersRequest
+	52, // 56: master_pb.Seaweed.RaftAddServer:input_type -> master_pb.RaftAddServerRequest
+	54, // 57: master_pb.Seaweed.RaftRemoveServer:input_type -> master_pb.RaftRemoveServerRequest
+	16, // 58: master_pb.Seaweed.VolumeGrow:input_type -> master_pb.VolumeGrowRequest
+	1,  // 59: master_pb.Seaweed.SendHeartbeat:output_type -> master_pb.HeartbeatResponse
+	11, // 60: master_pb.Seaweed.KeepConnected:output_type -> master_pb.KeepConnectedResponse
+	13, // 61: master_pb.Seaweed.LookupVolume:output_type -> master_pb.LookupVolumeResponse
+	17, // 62: master_pb.Seaweed.Assign:output_type -> master_pb.AssignResponse
+	17, // 63: master_pb.Seaweed.StreamAssign:output_type -> master_pb.AssignResponse
+	19, // 64: master_pb.Seaweed.Statistics:output_type -> master_pb.StatisticsResponse
+	22, // 65: master_pb.Seaweed.CollectionList:output_type -> master_pb.CollectionListResponse
+	24, // 66: master_pb.Seaweed.CollectionDelete:output_type -> master_pb.CollectionDeleteResponse
+	31, // 67: master_pb.Seaweed.VolumeList:output_type -> master_pb.VolumeListResponse
+	33, // 68: master_pb.Seaweed.LookupEcVolume:output_type -> master_pb.LookupEcVolumeResponse
+	35, // 69: master_pb.Seaweed.VacuumVolume:output_type -> master_pb.VacuumVolumeResponse
+	37, // 70: master_pb.Seaweed.DisableVacuum:output_type -> master_pb.DisableVacuumResponse
+	39, // 71: master_pb.Seaweed.EnableVacuum:output_type -> master_pb.EnableVacuumResponse
+	41, // 72: master_pb.Seaweed.VolumeMarkReadonly:output_type -> master_pb.VolumeMarkReadonlyResponse
+	43, // 73: master_pb.Seaweed.GetMasterConfiguration:output_type -> master_pb.GetMasterConfigurationResponse
+	45, // 74: master_pb.Seaweed.ListClusterNodes:output_type -> master_pb.ListClusterNodesResponse
+	47, // 75: master_pb.Seaweed.LeaseAdminToken:output_type -> master_pb.LeaseAdminTokenResponse
+	49, // 76: master_pb.Seaweed.ReleaseAdminToken:output_type -> master_pb.ReleaseAdminTokenResponse
+	51, // 77: master_pb.Seaweed.Ping:output_type -> master_pb.PingResponse
+	57, // 78: master_pb.Seaweed.RaftListClusterServers:output_type -> master_pb.RaftListClusterServersResponse
+	53, // 79: master_pb.Seaweed.RaftAddServer:output_type -> master_pb.RaftAddServerResponse
+	55, // 80: master_pb.Seaweed.RaftRemoveServer:output_type -> master_pb.RaftRemoveServerResponse
+	58, // 81: master_pb.Seaweed.VolumeGrow:output_type -> master_pb.VolumeGrowResponse
+	59, // [59:82] is the sub-list for method output_type
+	36, // [36:59] is the sub-list for method input_type
 	36, // [36:36] is the sub-list for extension type_name
 	36, // [36:36] is the sub-list for extension extendee
 	0,  // [0:36] is the sub-list for field type_name
@@ -5098,7 +5277,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AssignResponse); i {
+			switch v := v.(*VolumeGrowRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5110,7 +5289,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*StatisticsRequest); i {
+			switch v := v.(*AssignResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5122,7 +5301,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*StatisticsResponse); i {
+			switch v := v.(*StatisticsRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5134,7 +5313,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Collection); i {
+			switch v := v.(*StatisticsResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5146,7 +5325,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CollectionListRequest); i {
+			switch v := v.(*Collection); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5158,7 +5337,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CollectionListResponse); i {
+			switch v := v.(*CollectionListRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5170,7 +5349,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CollectionDeleteRequest); i {
+			switch v := v.(*CollectionListResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5182,7 +5361,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CollectionDeleteResponse); i {
+			switch v := v.(*CollectionDeleteRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5194,7 +5373,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DiskInfo); i {
+			switch v := v.(*CollectionDeleteResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5206,7 +5385,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DataNodeInfo); i {
+			switch v := v.(*DiskInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5218,7 +5397,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RackInfo); i {
+			switch v := v.(*DataNodeInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5230,7 +5409,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DataCenterInfo); i {
+			switch v := v.(*RackInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5242,7 +5421,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*TopologyInfo); i {
+			switch v := v.(*DataCenterInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5254,7 +5433,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*VolumeListRequest); i {
+			switch v := v.(*TopologyInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5266,7 +5445,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[30].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*VolumeListResponse); i {
+			switch v := v.(*VolumeListRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5278,7 +5457,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[31].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LookupEcVolumeRequest); i {
+			switch v := v.(*VolumeListResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5290,7 +5469,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[32].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LookupEcVolumeResponse); i {
+			switch v := v.(*LookupEcVolumeRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5302,7 +5481,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[33].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*VacuumVolumeRequest); i {
+			switch v := v.(*LookupEcVolumeResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5314,7 +5493,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[34].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*VacuumVolumeResponse); i {
+			switch v := v.(*VacuumVolumeRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5326,7 +5505,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[35].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DisableVacuumRequest); i {
+			switch v := v.(*VacuumVolumeResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5338,7 +5517,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[36].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DisableVacuumResponse); i {
+			switch v := v.(*DisableVacuumRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5350,7 +5529,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[37].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*EnableVacuumRequest); i {
+			switch v := v.(*DisableVacuumResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5362,7 +5541,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[38].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*EnableVacuumResponse); i {
+			switch v := v.(*EnableVacuumRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5374,7 +5553,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[39].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*VolumeMarkReadonlyRequest); i {
+			switch v := v.(*EnableVacuumResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5386,7 +5565,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[40].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*VolumeMarkReadonlyResponse); i {
+			switch v := v.(*VolumeMarkReadonlyRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5398,7 +5577,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[41].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetMasterConfigurationRequest); i {
+			switch v := v.(*VolumeMarkReadonlyResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5410,7 +5589,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[42].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetMasterConfigurationResponse); i {
+			switch v := v.(*GetMasterConfigurationRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5422,7 +5601,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[43].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ListClusterNodesRequest); i {
+			switch v := v.(*GetMasterConfigurationResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5434,7 +5613,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[44].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ListClusterNodesResponse); i {
+			switch v := v.(*ListClusterNodesRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5446,7 +5625,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[45].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LeaseAdminTokenRequest); i {
+			switch v := v.(*ListClusterNodesResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5458,7 +5637,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[46].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LeaseAdminTokenResponse); i {
+			switch v := v.(*LeaseAdminTokenRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5470,7 +5649,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[47].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ReleaseAdminTokenRequest); i {
+			switch v := v.(*LeaseAdminTokenResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5482,7 +5661,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[48].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ReleaseAdminTokenResponse); i {
+			switch v := v.(*ReleaseAdminTokenRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5494,7 +5673,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[49].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PingRequest); i {
+			switch v := v.(*ReleaseAdminTokenResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5506,7 +5685,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[50].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PingResponse); i {
+			switch v := v.(*PingRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5518,7 +5697,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[51].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RaftAddServerRequest); i {
+			switch v := v.(*PingResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5530,7 +5709,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[52].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RaftAddServerResponse); i {
+			switch v := v.(*RaftAddServerRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5542,7 +5721,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[53].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RaftRemoveServerRequest); i {
+			switch v := v.(*RaftAddServerResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5554,7 +5733,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[54].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RaftRemoveServerResponse); i {
+			switch v := v.(*RaftRemoveServerRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5566,7 +5745,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[55].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RaftListClusterServersRequest); i {
+			switch v := v.(*RaftRemoveServerResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5578,6 +5757,18 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[56].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RaftListClusterServersRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_master_proto_msgTypes[57].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*RaftListClusterServersResponse); i {
 			case 0:
 				return &v.state
@@ -5589,7 +5780,19 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[59].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[58].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*VolumeGrowResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_master_proto_msgTypes[61].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SuperBlockExtra_ErasureCoding); i {
 			case 0:
 				return &v.state
@@ -5601,7 +5804,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[60].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[62].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LookupVolumeResponse_VolumeIdLocation); i {
 			case 0:
 				return &v.state
@@ -5613,7 +5816,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[65].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[67].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LookupEcVolumeResponse_EcShardIdLocation); i {
 			case 0:
 				return &v.state
@@ -5625,7 +5828,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[66].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[68].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ListClusterNodesResponse_ClusterNode); i {
 			case 0:
 				return &v.state
@@ -5637,7 +5840,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[67].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[69].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*RaftListClusterServersResponse_ClusterServers); i {
 			case 0:
 				return &v.state
@@ -5656,7 +5859,7 @@ func file_master_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_master_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   68,
+			NumMessages:   70,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/weed/pb/master_pb/master_grpc.pb.go b/weed/pb/master_pb/master_grpc.pb.go
index 4c41658cf..c2f631827 100644
--- a/weed/pb/master_pb/master_grpc.pb.go
+++ b/weed/pb/master_pb/master_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.25.3
+// - protoc             v5.26.1
 // source: master.proto
 
 package master_pb
@@ -41,6 +41,7 @@ const (
 	Seaweed_RaftListClusterServers_FullMethodName = "/master_pb.Seaweed/RaftListClusterServers"
 	Seaweed_RaftAddServer_FullMethodName          = "/master_pb.Seaweed/RaftAddServer"
 	Seaweed_RaftRemoveServer_FullMethodName       = "/master_pb.Seaweed/RaftRemoveServer"
+	Seaweed_VolumeGrow_FullMethodName             = "/master_pb.Seaweed/VolumeGrow"
 )
 
 // SeaweedClient is the client API for Seaweed service.
@@ -69,6 +70,7 @@ type SeaweedClient interface {
 	RaftListClusterServers(ctx context.Context, in *RaftListClusterServersRequest, opts ...grpc.CallOption) (*RaftListClusterServersResponse, error)
 	RaftAddServer(ctx context.Context, in *RaftAddServerRequest, opts ...grpc.CallOption) (*RaftAddServerResponse, error)
 	RaftRemoveServer(ctx context.Context, in *RaftRemoveServerRequest, opts ...grpc.CallOption) (*RaftRemoveServerResponse, error)
+	VolumeGrow(ctx context.Context, in *VolumeGrowRequest, opts ...grpc.CallOption) (*VolumeGrowResponse, error)
 }
 
 type seaweedClient struct {
@@ -343,6 +345,15 @@ func (c *seaweedClient) RaftRemoveServer(ctx context.Context, in *RaftRemoveServ
 	return out, nil
 }
 
+func (c *seaweedClient) VolumeGrow(ctx context.Context, in *VolumeGrowRequest, opts ...grpc.CallOption) (*VolumeGrowResponse, error) {
+	out := new(VolumeGrowResponse)
+	err := c.cc.Invoke(ctx, Seaweed_VolumeGrow_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // SeaweedServer is the server API for Seaweed service.
 // All implementations must embed UnimplementedSeaweedServer
 // for forward compatibility
@@ -369,6 +380,7 @@ type SeaweedServer interface {
 	RaftListClusterServers(context.Context, *RaftListClusterServersRequest) (*RaftListClusterServersResponse, error)
 	RaftAddServer(context.Context, *RaftAddServerRequest) (*RaftAddServerResponse, error)
 	RaftRemoveServer(context.Context, *RaftRemoveServerRequest) (*RaftRemoveServerResponse, error)
+	VolumeGrow(context.Context, *VolumeGrowRequest) (*VolumeGrowResponse, error)
 	mustEmbedUnimplementedSeaweedServer()
 }
 
@@ -442,6 +454,9 @@ func (UnimplementedSeaweedServer) RaftAddServer(context.Context, *RaftAddServerR
 func (UnimplementedSeaweedServer) RaftRemoveServer(context.Context, *RaftRemoveServerRequest) (*RaftRemoveServerResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method RaftRemoveServer not implemented")
 }
+func (UnimplementedSeaweedServer) VolumeGrow(context.Context, *VolumeGrowRequest) (*VolumeGrowResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeGrow not implemented")
+}
 func (UnimplementedSeaweedServer) mustEmbedUnimplementedSeaweedServer() {}
 
 // UnsafeSeaweedServer may be embedded to opt out of forward compatibility for this service.
@@ -875,6 +890,24 @@ func _Seaweed_RaftRemoveServer_Handler(srv interface{}, ctx context.Context, dec
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Seaweed_VolumeGrow_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeGrowRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).VolumeGrow(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Seaweed_VolumeGrow_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).VolumeGrow(ctx, req.(*VolumeGrowRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // Seaweed_ServiceDesc is the grpc.ServiceDesc for Seaweed service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -958,6 +991,10 @@ var Seaweed_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "RaftRemoveServer",
 			Handler:    _Seaweed_RaftRemoveServer_Handler,
 		},
+		{
+			MethodName: "VolumeGrow",
+			Handler:    _Seaweed_VolumeGrow_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
diff --git a/weed/server/master_grpc_server_volume.go b/weed/server/master_grpc_server_volume.go
index db0976fb7..e40f054e0 100644
--- a/weed/server/master_grpc_server_volume.go
+++ b/weed/server/master_grpc_server_volume.go
@@ -286,3 +286,50 @@ func (ms *MasterServer) VolumeMarkReadonly(ctx context.Context, req *master_pb.V
 
 	return resp, nil
 }
+
+func (ms *MasterServer) VolumeGrow(ctx context.Context, req *master_pb.VolumeGrowRequest) (*master_pb.VolumeGrowResponse, error) {
+	if !ms.Topo.IsLeader() {
+		return nil, raft.NotLeaderError
+	}
+	if req.Replication == "" {
+		req.Replication = ms.option.DefaultReplicaPlacement
+	}
+	replicaPlacement, err := super_block.NewReplicaPlacementFromString(req.Replication)
+	if err != nil {
+		return nil, err
+	}
+	ttl, err := needle.ReadTTL(req.Ttl)
+	if err != nil {
+		return nil, err
+	}
+	volumeGrowOption := topology.VolumeGrowOption{
+		Collection:         req.Collection,
+		ReplicaPlacement:   replicaPlacement,
+		Ttl:                ttl,
+		DiskType:           types.ToDiskType(req.DiskType),
+		Preallocate:        ms.preallocateSize,
+		DataCenter:         req.DataCenter,
+		Rack:               req.Rack,
+		DataNode:           req.DataNode,
+		MemoryMapMaxSizeMb: req.MemoryMapMaxSizeMb,
+	}
+	volumeGrowRequest := topology.VolumeGrowRequest{
+		Option: &volumeGrowOption,
+		Count:  req.WritableVolumeCount,
+		Force:  true,
+		Reason: "grpc volume grow",
+	}
+	replicaCount := int64(req.WritableVolumeCount * uint32(replicaPlacement.GetCopyCount()))
+
+	if ms.Topo.AvailableSpaceFor(&volumeGrowOption) < replicaCount {
+		return nil, fmt.Errorf("only %d volumes left, not enough for %d", ms.Topo.AvailableSpaceFor(&volumeGrowOption), replicaCount)
+	}
+
+	if !ms.Topo.DataCenterExists(volumeGrowOption.DataCenter) {
+		err = fmt.Errorf("data center %v not found in topology", volumeGrowOption.DataCenter)
+	}
+
+	ms.DoAutomaticVolumeGrow(&volumeGrowRequest)
+
+	return &master_pb.VolumeGrowResponse{}, nil
+}
diff --git a/weed/shell/command_volume_grow.go b/weed/shell/command_volume_grow.go
index 21d98dddd..026a59b7b 100644
--- a/weed/shell/command_volume_grow.go
+++ b/weed/shell/command_volume_grow.go
@@ -5,6 +5,9 @@ import (
 	"flag"
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
+	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
+	"github.com/seaweedfs/seaweedfs/weed/storage/super_block"
+	"github.com/seaweedfs/seaweedfs/weed/storage/types"
 	"io"
 )
 
@@ -33,30 +36,86 @@ func (c *commandGrow) Do(args []string, commandEnv *CommandEnv, writer io.Writer
 	growCount := volumeVacuumCommand.Uint("count", 2, "")
 	collection := volumeVacuumCommand.String("collection", "", "grow this collection")
 	dataCenter := volumeVacuumCommand.String("dataCenter", "", "grow volumes only from the specified data center")
+	rack := volumeVacuumCommand.String("rack", "", "grow volumes only from the specified rack")
+	dataNode := volumeVacuumCommand.String("dataNode", "", "grow volumes only from the specified data node")
+	diskType := volumeVacuumCommand.String("diskType", "", "grow volumes only from the specified disk type")
 
 	if err = volumeVacuumCommand.Parse(args); err != nil {
 		return nil
 	}
-
-	assignRequest := &master_pb.AssignRequest{
-		Count:               0,
+	if *collection == "" {
+		return fmt.Errorf("collection option is required")
+	}
+	t, _, err := collectTopologyInfo(commandEnv, 0)
+	if err != nil {
+		return err
+	}
+	volumeGrowRequest := &master_pb.VolumeGrowRequest{
 		Collection:          *collection,
+		DataCenter:          *dataCenter,
+		Rack:                *rack,
+		DataNode:            *dataNode,
 		WritableVolumeCount: uint32(*growCount),
 	}
-	if *dataCenter != "" {
-		assignRequest.DataCenter = *dataCenter
-	}
-
-	err = commandEnv.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
-		_, err := client.Assign(context.Background(), assignRequest)
 
-		if err != nil {
-			return fmt.Errorf("Assign: %v", err)
+	collectionFound := false
+	dataCenterFound := *dataCenter == ""
+	rackFound := *rack == ""
+	dataNodeFound := *dataNode == ""
+	diskTypeFound := *diskType == ""
+	for _, dc := range t.DataCenterInfos {
+		if dc.Id == *dataCenter {
+			dataCenterFound = true
+		}
+		for _, r := range dc.RackInfos {
+			if r.Id == *rack {
+				rackFound = true
+			}
+			for _, dn := range r.DataNodeInfos {
+				if dn.Id == *dataNode {
+					dataNodeFound = true
+				}
+				for _, di := range dn.DiskInfos {
+					if !diskTypeFound && di.Type == types.ToDiskType(*diskType).String() {
+						diskTypeFound = true
+					}
+					for _, vi := range di.VolumeInfos {
+						if !collectionFound && vi.Collection == *collection {
+							replicaPlacement, _ := super_block.NewReplicaPlacementFromByte(byte(vi.ReplicaPlacement))
+							volumeGrowRequest.Ttl = needle.LoadTTLFromUint32(vi.Ttl).String()
+							volumeGrowRequest.DiskType = vi.DiskType
+							volumeGrowRequest.Replication = replicaPlacement.String()
+							collectionFound = true
+						}
+						if collectionFound && dataCenterFound && rackFound && dataNodeFound && diskTypeFound {
+							break
+						}
+					}
+				}
+			}
+		}
+	}
+	if !dataCenterFound {
+		return fmt.Errorf("data center not found")
+	}
+	if !rackFound {
+		return fmt.Errorf("rack not found")
+	}
+	if !dataNodeFound {
+		return fmt.Errorf("data node not found")
+	}
+	if !diskTypeFound {
+		return fmt.Errorf("disk type not found")
+	}
+	if !collectionFound {
+		return fmt.Errorf("collection not found")
+	}
+	if err = commandEnv.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
+		if _, err := client.VolumeGrow(context.Background(), volumeGrowRequest); err != nil {
+			return err
 		}
 		return nil
-	})
-
-	if err != nil {
+	}); err != nil {
 		return
 	}